import { Directive } from 'vue'
 export const permission: Directive = {
		mounted(el, binding) {
			//value按钮上的权限
			const { value } = binding

			// document.title = value || '团购'
			// document.title = " "
		}
 }

 // 自定义指令防止按钮重复点击 v-preventReClick
  export const preventReClick: Directive = {
		mounted(el, binding) {
			let throttleTime = binding.value // 节流时间
			if (!throttleTime) {
				// 用户若不设置节流时间，则默认2s
				throttleTime = 3000
			}
			let cbFun:any;
			el.addEventListener(
				'click',
				(event:any) => {
					if (!cbFun) {
						// 第一次执行
						cbFun = setTimeout(() => {
							cbFun = null
						}, throttleTime)
					} else {
						event && event.stopImmediatePropagation()
					}
				},
				true
			)
		 
			  
		}
	}
 